112221210222121 has 16 divisors (see below), whose sum is σ = 150674631907968. Its totient is φ = 80718552806400.

The previous prime is 112221210222089. The next prime is 112221210222127. The reversal of 112221210222121 is 121222012122211.

It is a cyclic number.

It is not a de Polignac number, because 112221210222121 - 2⁵ = 112221210222089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112221210222092 and 112221210222101.

It is not an unprimeable number, because it can be changed into a prime (112221210222127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56054549560 + ... + 56054551561.

It is an arithmetic number, because the mean of its divisors is an integer number (9417164494248).

Almost surely, 2^{112221210222121} is an apocalyptic number.

112221210222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112221210222121 is a deficient number, since it is larger than the sum of its proper divisors (38453421685847).

112221210222121 is a wasteful number, since it uses less digits than its factorization.

112221210222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112109101152.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112221210222121 its reverse (121222012122211), we get a palindrome (233443222344332).

The spelling of 112221210222121 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".